Home / 929,879.82-1,394,819.73-368,914.32

Finding the Fourth Proportional to 929,879.82, 1,394,819.73 and 368,914.32

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Solution

The fourth proportional to 929,879.82, 1,394,819.73 and 368,914.32 is: 553,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,879.82 : 1,394,819.73 = 368,914.32 : x
  2. Step 2: Convert to fraction form
    929,879.82/1,394,819.73 = 368,914.32/x
  3. Step 3: Cross multiply
    929,879.82x = 1,394,819.73 × 368,914.32
  4. Step 4: Simplify right side
    929,879.82x = 514,568,972,215.53
  5. Step 5: Solve for x
    x = 514,568,972,215.53/929,879.82
  6. Step 6: Final answer
    x = 553,371.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.